Release v1.6.2

Docker reference: paritytech/substrate-relay:v1.6.2

Rococo: 1_010_000;
Westend: 1_010_000;
Kusama: 1_002_004;
Polkadot: 1_002_000;
Rococo Bridge Hub: 1_010_000;
Westend Bridge Hub: 1_010_000;
Kusama Bridge Hub: 1_002_004;
Polkadot Bridge Hub: 1_002_004;
Rococo Bulletin: not supported yet;
Polkadot Bulletin: not supported yet.

What's Changed

• Runtime codegen tuning by @bkontur in #3008
• Relay v1.6.2: added support for bridge-hub-polkadot/1002004 by @bkontur in #3010

Important

• use this version for P/K relayer only when the referenda https://polkadot.subsquare.io/referenda/791 is enacted live and BHP has the 1_002_004 version

Full Changelog: v1.6.1...v1.6.2